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Subject[PATCH v2 2/2] mtd: spinand: toshiba: Support for new Kioxia Serial NAND
Date
Add support for new Kioxia products.
The new Kioxia products support program load x4 command, and have
HOLD_D bit which is equivalent to QE bit.

Signed-off-by: Yoshio Furuyama <ytc-mb-yfuruyama7@kioxia.com>
---
changelog[v2]:Split 2 patches.

drivers/mtd/nand/spi/toshiba.c | 119 +++++++++++++++++++++++++++++++++++------
1 file changed, 103 insertions(+), 16 deletions(-)

diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c
index 700d86f..505f9f5 100644
--- a/drivers/mtd/nand/spi/toshiba.c
+++ b/drivers/mtd/nand/spi/toshiba.c
@@ -19,6 +19,18 @@ static SPINAND_OP_VARIANTS(read_cache_variants,
SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));

+static SPINAND_OP_VARIANTS(write_cache_x4_variants,
+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(update_cache_x4_variants,
+ SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
+ SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
+/**
+ * Backward compatibility for 1st generation Serial NAND devices
+ * which don't support Quad Program Load operation.
+ */
static SPINAND_OP_VARIANTS(write_cache_variants,
SPINAND_PROG_LOAD(true, 0, NULL, 0));

@@ -94,7 +106,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
}

static const struct spinand_info toshiba_spinand_table[] = {
- /* 3.3V 1Gb */
+ /* 3.3V 1Gb (1st generation) */
SPINAND_INFO("TC58CVG0S3HRAIG", 0xC2,
NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -104,7 +116,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
0,
SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
tx58cxgxsxraix_ecc_get_status)),
- /* 3.3V 2Gb */
+ /* 3.3V 2Gb (1st generation) */
SPINAND_INFO("TC58CVG1S3HRAIG", 0xCB,
NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -114,7 +126,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
0,
SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
tx58cxgxsxraix_ecc_get_status)),
- /* 3.3V 4Gb */
+ /* 3.3V 4Gb (1st generation) */
SPINAND_INFO("TC58CVG2S0HRAIG", 0xCD,
NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -124,17 +136,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
0,
SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
tx58cxgxsxraix_ecc_get_status)),
- /* 3.3V 4Gb */
- SPINAND_INFO("TC58CVG2S0HRAIJ", 0xED,
- NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
- NAND_ECCREQ(8, 512),
- SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
- &write_cache_variants,
- &update_cache_variants),
- 0,
- SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
- tx58cxgxsxraix_ecc_get_status)),
- /* 1.8V 1Gb */
+ /* 1.8V 1Gb (1st generation) */
SPINAND_INFO("TC58CYG0S3HRAIG", 0xB2,
NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -144,7 +146,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
0,
SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
tx58cxgxsxraix_ecc_get_status)),
- /* 1.8V 2Gb */
+ /* 1.8V 2Gb (1st generation) */
SPINAND_INFO("TC58CYG1S3HRAIG", 0xBB,
NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -154,7 +156,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
0,
SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
tx58cxgxsxraix_ecc_get_status)),
- /* 1.8V 4Gb */
+ /* 1.8V 4Gb (1st generation) */
SPINAND_INFO("TC58CYG2S0HRAIG", 0xBD,
NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -164,6 +166,91 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand,
0,
SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
tx58cxgxsxraix_ecc_get_status)),
+
+ /*
+ * 2nd generation serial nand has HOLD_D which is equivalent to
+ * QE_BIT.
+ */
+ /* 3.3V 1Gb (2nd generation) */
+ SPINAND_INFO("TC58CVG0S3HRAIJ", 0xE2,
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 3.3V 2Gb (2nd generation) */
+ SPINAND_INFO("TC58CVG1S3HRAIJ", 0xEB,
+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 3.3V 4Gb (2nd generation) */
+ SPINAND_INFO("TC58CVG2S0HRAIJ", 0xED,
+ NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 3.3V 8Gb (2nd generation) */
+ SPINAND_INFO("TH58CVG3S0HRAIJ", 0xE4,
+ NAND_MEMORG(1, 4096, 256, 64, 4096, 80, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 1.8V 1Gb (2nd generation) */
+ SPINAND_INFO("TC58CYG0S3HRAIJ", 0xD2,
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 1.8V 2Gb (2nd generation) */
+ SPINAND_INFO("TC58CYG1S3HRAIJ", 0xDB,
+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 1.8V 4Gb (2nd generation) */
+ SPINAND_INFO("TC58CYG2S0HRAIJ", 0xDD,
+ NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
+ /* 1.8V 8Gb (2nd generation) */
+ SPINAND_INFO("TH58CYG3S0HRAIJ", 0xD4,
+ NAND_MEMORG(1, 4096, 256, 64, 4096, 80, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_x4_variants,
+ &update_cache_x4_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+ tx58cxgxsxraix_ecc_get_status)),
};

static int toshiba_spinand_detect(struct spinand_device *spinand)
--
1.9.1
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